<!-- 头部 start -->
<script src="js/getParameter.js"></script>

<script>
    $(function () {

        function GetQueryString(name){
            var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
            var r = window.location.search.substr(1).match(reg);
            if(r!=null)return  decodeURIComponent(r[2]); return null;
        }
        var ty = GetQueryString("rname");
        if(ty!=null && ty!="" ){
            $("#search_input").val(ty);
        }
        //alert("头部")
        $.get("category/findAll1",{},function (data1) {
            var data = JSON.parse(data1)
            console.log(data)
            let parameter = getParameter("cid");
            if(parameter==null){
                var sou=' <li class="nav-active" "><a href="index.html">首页</a></li>';
            }else {
                var sou=' <li "><a href="index.html">首页</a></li>';
            }
            console.log("data的长度："+data.length)
            for (var i = 0; i < data.length; i++) {
                var li;
                if(parameter==(i+1)){
                    li='<li><a class="nav-active" href="route_list.html?cid='+data[i].cid+'">'+data[i].cname+'</a></li>';
                }else {
                    li='<li><a  href="route_list.html?cid='+data[i].cid+'">'+data[i].cname+'</a></li>';
                }
                sou+=li;
            }

            sou+='<li><a href="favoriterank.html" >收藏排行榜</a></li>';

            //alert(sou);
            $("#cg").html(sou)
        })

       $.get("user/find",{},function (data) {
           //alert(data)
           // alert(data.name);
           var msg;
           if( data!=null&&data.name!=undefined){
               msg='<a href="userIndex.html">'+'欢迎回来'+data.name+'</a>';
           }

            $("#span_username").html(msg)
       })

        $("#search-button").click(function () {
                var rname = $("#search_input").val();
                var cid = getParameter("cid");
                location.href="route_list.html?cid="+cid+"&rname="+rname;
        })
        let uis = $(".nav .w");
        //alert(uis.length)
        $.post("user/find",{},function (data) {
            //alert(data);
            if(data!=null&&data.name!=undefined){
                $("#hh").prop("style","display: none");
            }else {
                $("#hh").prop("style","display: block");
            }
        });

        $("#yuying-button").click(function () {
            //点击语音搜索
            alert("请对准麦克风说出您想要搜索的城市，限时2秒内说完");
            startRecording();
            setTimeout(stopRecording,3000);
        });

    })
</script>
<audio autoplay></audio>
    <header id="header">
        <div class="top_banner" style="height: 12%;width: 78.125%;">
<!--            <img style="height: 128px;width: 1500px;text-align: center" src="https://xiaokai666.oss-cn-chengdu.aliyuncs.com/header/banner_2(1).jpg" alt="">-->
            <img style="text-align: center" src="https://xiaokai666.oss-cn-chengdu.aliyuncs.com/header/banner_2(1).jpg" alt="">
        </div>
        <div class="shortcut">
            <!-- 未登录状态  -->
            <div id="hh"  class="login_out">
                <a href="login.html">登录</a>
                <a href="register.html">注册</a>
            </div>
            <!-- 登录状态  -->
            <div class="login">
                <span id="span_username"></span>
                <a href="myfavorite.html" class="collection">我的收藏</a>
                <a href="javascript:location.href='user/exit';">退出</a>
            </div>
        </div>
        <div class="header_wrap">
            <div class="topbar">
                <div class="logo">
                    <a href="https://www.lanqiao.cn/"><img style="width: 100px" src="https://travel-image-repository.oss-cn-chengdu.aliyuncs.com/logo.png
" alt=""></a>
                </div>
                <div class="search">
                    <input name="" type="text" placeholder="请输入路线名称" id="search_input" class="search_input" autocomplete="off">
                    <a  id="search-button" href="javascript:;" class="search-button">搜索</a>
                    <a  id="yuying-button" href="javascript:;" class="search-button">语音搜索</a>
                </div>
                <div class="hottel">
                    <div class="hot_pic">
                        <img src="http://niuzi12138.oss-cn-chengdu.aliyuncs.com/hot_tel.jpg" alt="">
                    </div>
                    <div class="hot_tel">
                        <p class="hot_time">客服热线(9:00-6:00)</p>
                        <p class="hot_num">15983219243</p>
                    </div>
                </div>
            </div>
        </div>
    </header>
    <!-- 头部 end -->
     <!-- 首页导航 -->
    <div class="navitem">
        <ul id="cg" class="nav">

        </ul>
    </div>
<script>
    var recorder;

    var audio = document.querySelector('audio');

    function startRecording() {
        HZRecorder.get(function (rec) {
            recorder = rec;
            recorder.start();
        });
    }

    function stopRecording() {
        alert("停止");
        recorder.stop();
        uploadAudio();
    }

    function playRecording() {
        recorder.play(audio);
    }

    function uploadAudio() {
        recorder.upload("speech/speechScanner", function (state, e) {
            switch (state) {
                case 'uploading':
                    //var percentComplete = Math.round(e.loaded * 100 / e.total) + '%';
                    break;
                case 'ok':
                    //alert(e.target);
                    var info = e.target.responseText;
                    var o = eval("(" + info + ")");

                    location.href="route_list.html?cid="+5+"&rname="+o.errorMsg;
                    alert("上传成功");
                    break;
                case 'error':
                    alert("上传失败");
                    break;
                case 'cancel':
                    alert("上传被取消");
                    break;
            }
        });
    }
    (function (window) {
        //兼容
        window.URL = window.URL || window.webkitURL;
        navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;


        var HZRecorder = function (stream, config) {
            config = config || {};
            config.sampleBits = config.sampleBits || 16;      //采样数位 8, 16
            config.sampleRate = config.sampleRate || (16000);   //采样率(1/6 44100)


            var context = new AudioContext();
            var audioInput = context.createMediaStreamSource(stream);
            var recorder = context.createScriptProcessor(4096, 1, 1);


            var audioData = {
                size: 0          //录音文件长度
                , buffer: []     //录音缓存
                , inputSampleRate: context.sampleRate    //输入采样率
                , inputSampleBits: 16       //输入采样数位 8, 16
                , outputSampleRate: config.sampleRate    //输出采样率
                , oututSampleBits: config.sampleBits       //输出采样数位 8, 16
                , input: function (data) {
                    this.buffer.push(new Float32Array(data));
                    this.size += data.length;
                }
                , compress: function () { //合并压缩
                    //合并
                    var data = new Float32Array(this.size);
                    var offset = 0;
                    for (var i = 0; i < this.buffer.length; i++) {
                        data.set(this.buffer[i], offset);
                        offset += this.buffer[i].length;
                    }
                    //压缩
                    var compression = parseInt(this.inputSampleRate / this.outputSampleRate);
                    var length = data.length / compression;
                    var result = new Float32Array(length);
                    var index = 0, j = 0;
                    while (index < length) {
                        result[index] = data[j];
                        j += compression;
                        index++;
                    }
                    return result;
                }
                , encodeWAV: function () {
                    var sampleRate = Math.min(this.inputSampleRate, this.outputSampleRate);
                    var sampleBits = Math.min(this.inputSampleBits, this.oututSampleBits);
                    var bytes = this.compress();
                    var dataLength = bytes.length * (sampleBits / 8);
                    var buffer = new ArrayBuffer(44 + dataLength);
                    var data = new DataView(buffer);


                    var channelCount = 1;//单声道
                    var offset = 0;


                    var writeString = function (str) {
                        for (var i = 0; i < str.length; i++) {
                            data.setUint8(offset + i, str.charCodeAt(i));
                        }
                    }

                    // 资源交换文件标识符
                    writeString('RIFF'); offset += 4;
                    // 下个地址开始到文件尾总字节数,即文件大小-8
                    data.setUint32(offset, 36 + dataLength, true); offset += 4;
                    // WAV文件标志
                    writeString('WAVE'); offset += 4;
                    // 波形格式标志
                    writeString('fmt '); offset += 4;
                    // 过滤字节,一般为 0x10 = 16
                    data.setUint32(offset, 16, true); offset += 4;
                    // 格式类别 (PCM形式采样数据)
                    data.setUint16(offset, 1, true); offset += 2;
                    // 通道数
                    data.setUint16(offset, channelCount, true); offset += 2;
                    // 采样率,每秒样本数,表示每个通道的播放速度
                    data.setUint32(offset, sampleRate, true); offset += 4;
                    // 波形数据传输率 (每秒平均字节数) 单声道×每秒数据位数×每样本数据位/8
                    data.setUint32(offset, channelCount * sampleRate * (sampleBits / 8), true); offset += 4;
                    // 快数据调整数 采样一次占用字节数 单声道×每样本的数据位数/8
                    data.setUint16(offset, channelCount * (sampleBits / 8), true); offset += 2;
                    // 每样本数据位数
                    data.setUint16(offset, sampleBits, true); offset += 2;
                    // 数据标识符
                    writeString('data'); offset += 4;
                    // 采样数据总数,即数据总大小-44
                    data.setUint32(offset, dataLength, true); offset += 4;
                    // 写入采样数据
                    if (sampleBits === 8) {
                        for (var i = 0; i < bytes.length; i++, offset++) {
                            var s = Math.max(-1, Math.min(1, bytes[i]));
                            var val = s < 0 ? s * 0x8000 : s * 0x7FFF;
                            val = parseInt(255 / (65535 / (val + 32768)));
                            data.setInt8(offset, val, true);
                        }
                    } else {
                        for (var i = 0; i < bytes.length; i++, offset += 2) {
                            var s = Math.max(-1, Math.min(1, bytes[i]));
                            data.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
                        }
                    }


                    return new Blob([data], { type: 'audio/wav' });
                }
            };


            //开始录音
            this.start = function () {
                audioInput.connect(recorder);
                recorder.connect(context.destination);
            }


            //停止
            this.stop = function () {
                recorder.disconnect();
            }


            //获取音频文件
            this.getBlob = function () {
                this.stop();
                return audioData.encodeWAV();
            }


            //回放
            this.play = function (audio) {
                audio.src = window.URL.createObjectURL(this.getBlob());
            }


            //上传
            this.upload = function (url, callback) {
                var fd = new FormData();
                fd.append("audioData", this.getBlob());
                var xhr = new XMLHttpRequest();
                if (callback) {
                    xhr.upload.addEventListener("progress", function (e) {
                        callback('uploading', e);
                    }, false);
                    xhr.addEventListener("load", function (e) {
                        callback('ok', e);
                    }, false);
                    xhr.addEventListener("error", function (e) {
                        callback('error', e);
                    }, false);
                    xhr.addEventListener("abort", function (e) {
                        callback('cancel', e);
                    }, false);
                }
                xhr.open("POST", url);
                xhr.send(fd);
            }


            //音频采集
            recorder.onaudioprocess = function (e) {
                audioData.input(e.inputBuffer.getChannelData(0));
                //record(e.inputBuffer.getChannelData(0));
            }


        };
        //抛出异常
        HZRecorder.throwError = function (message) {
            alert(message);
            throw new function () { this.toString = function () { return message; } }
        }
        //是否支持录音
        HZRecorder.canRecording = (navigator.getUserMedia != null);
        //获取录音机
        HZRecorder.get = function (callback, config) {
            if (callback) {
                if (navigator.getUserMedia) {
                    navigator.getUserMedia(
                        { audio: true } //只启用音频
                        , function (stream) {
                            var rec = new HZRecorder(stream, config);
                            callback(rec);
                        }
                        , function (error) {
                            switch (error.code || error.name) {
                                case 'PERMISSION_DENIED':
                                case 'PermissionDeniedError':
                                    HZRecorder.throwError('用户拒绝提供信息。');
                                    break;
                                case 'NOT_SUPPORTED_ERROR':
                                case 'NotSupportedError':
                                    HZRecorder.throwError('浏览器不支持硬件设备。');
                                    break;
                                case 'MANDATORY_UNSATISFIED_ERROR':
                                case 'MandatoryUnsatisfiedError':
                                    HZRecorder.throwError('无法发现指定的硬件设备。');
                                    break;
                                default:
                                    HZRecorder.throwError('无法打开麦克风。异常信息:' + (error.code || error.name));
                                    break;
                            }
                        });
                } else {
                    HZRecorder.throwErr('当前浏览器不支持录音功能。'); return;
                }
            }
        }


        window.HZRecorder = HZRecorder;


    })(window);
</script>